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Round Numbers to the Nearest 10, 100 or 1000

In this worksheet, students will be asked to round numbers accurately to the nearest 10, 100 or 1000.

'Round Numbers to the Nearest 10, 100 or 1000' worksheet

Key stage:  KS 2

Curriculum topic:   Number: Number and Place Value

Curriculum subtopic:   Round Numbers for Accuracy

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this activity, you will be asked to round numbers to the nearest 10, 100 or 1000.

Rounding numbers means adjusting the digits (either up or down) to make rough calculations simpler.

 

Rounding numbers to the nearest 10:

If the 'ones' digit of the number is less than 5, round the number down.

If the 'ones' digit of the number is 5 or more, round the number up. 

 

Question: round 32 to the nearest 10:

 

30 <- - -32 - - - - - - -> 40

 

It is closer to 30 so 32 rounds down to 30

 

Rounding numbers to the nearest 100:

This time, look at the tens digit, if it is less than 50, round down.

If the tens digit is 50 or more, round up. 

 

Question: round 834 to the nearest 100.

 

800 < - - - - 834 - - - - - - - - - - - - >900

 

It is closer to 800, so 834 rounded to the nearest 100 is 800.

 

Rounding numbers to the nearest 1000:

When rounding to the nearest 1000, count in 1000s either side of your number and choose the nearest.

 

Question: round 2839 to the nearest 1000

 

2000 <- - - - - - - - - - - - - - - -2839 - - - - > 3000

 

It's closer to 3000, so 2839 rounded to the nearest 1000 is 3000.

Round 823 to the nearest 10...

840

800

820

830

Round 641 to the nearest 100...

600

650

600.5

700

Round 1722 to the nearest 1000...

1700

1750

1800

2000

The following numbers should be rounded to the nearest 10. 

Column A

Column B

201
210
1426
1420
1421
1430
211
200

The following numbers should be rounded to the nearest 100. 

Column A

Column B

678
2400
2410
2500
2492
700
603
600

Can you round 4567 to the nearest 100?

Column A

Column B

678
2400
2410
2500
2492
700
603
600

The following numbers should be rounded to the nearest 1000. 

Column A

Column B

2669
2000
2445
10000
9122
9000
9721
3000

Can you round 9822 to the nearest 1000?

Column A

Column B

2669
2000
2445
10000
9122
9000
9721
3000

Can you round 6543 to the nearest 100? 

Can you round 11,212 to the nearest 1000? 

  • Question 1

Round 823 to the nearest 10...

CORRECT ANSWER
820
EDDIE SAYS
So, here we looked at the 'ones' digit of 823. Because it's 3, we rounded down to the nearest 10, which left us with an answer of 820.
  • Question 2

Round 641 to the nearest 100...

CORRECT ANSWER
600
EDDIE SAYS
This time we had to have a look at the 'tens' digit in 641. Because it's 40, we round down to the nearest 100, which leaves us with an answer of 600.
  • Question 3

Round 1722 to the nearest 1000...

CORRECT ANSWER
2000
EDDIE SAYS
Do you remember how we looked at this earlier? So, 1722 is between 1000 and 2000 but is closer to 2000, so we rounded up! Well remembered if you got this one correct.
  • Question 4

The following numbers should be rounded to the nearest 10. 

CORRECT ANSWER

Column A

Column B

201
200
1426
1430
1421
1420
211
210
EDDIE SAYS
Four numbers to round accurately this time! Hopefully, you remembered the rule of looking at the 'ones' digit of each number and then rounding up or down accordingly.
  • Question 5

The following numbers should be rounded to the nearest 100. 

CORRECT ANSWER

Column A

Column B

678
700
2410
2400
2492
2500
603
600
EDDIE SAYS
For this question, you needed to remember the rule of looking at the 'hundred' digit of each number and then rounding up or down accordingly! You're halfway, keep going.
  • Question 6

Can you round 4567 to the nearest 100?

CORRECT ANSWER
EDDIE SAYS
4567 rounded to the nearest 100 is 4600 as the tens digit is 60, we round up.
  • Question 7

The following numbers should be rounded to the nearest 1000. 

CORRECT ANSWER

Column A

Column B

2669
3000
2445
2000
9122
9000
9721
10000
EDDIE SAYS
For this question, you needed to place each number between the closest two numbers in the 1000s and then round up or down. For example, 2669 is between 2000 and 3000 but is closer to 3000 so we round up.
  • Question 8

Can you round 9822 to the nearest 1000?

CORRECT ANSWER
EDDIE SAYS
9822 is between 9000 and 10,000. However, it is closer to 10,000, so in this instance, we round up. You're making great progress!
  • Question 9

Can you round 6543 to the nearest 100? 

CORRECT ANSWER
6500
EDDIE SAYS
Remember to look at the tens digit when rounding to the nearest 100. The tens digit is 40 so we round down, to 6500.
  • Question 10

Can you round 11,212 to the nearest 1000? 

CORRECT ANSWER
11,000
11000
EDDIE SAYS
11,212 is between 11,000 and 12,000. It's closer to 11,000 so we round down. Great work, you've completed another activity! How about attempting another one so you feel super confident?
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